Using a representative sample of rural migrants in cities, this paper investigates where the migrants in urban China come from, paying close attention to intra-provincial vs. inter-provincial migrants, and examining the differences in their personal attributes. We find that migrants who have...

Using data from CHIPS 1995-2013, we find polarization of employment from middle-income Skilled jobs to work in the Unskilled and Self-Employment job categories. This redistribution of employment is consistent with the automation of routine noncognitive tasks in the skilled sector as analyzed in...

This paper presents the first investigation into the economic consequences of the zero-COVID policy implemented by the Chinese government as a pilot experiment in using big data for country management from 2020 to 2022. Our study includes an original county-daily panel data set on the COVID risk...

The outbreaks of coronavirus disease 2019 (COVID-19) and subsequent lockdowns and school closures have caused varying degrees of academic disruptions for children. This paper exploits variation in the duration that cities were classified as medium- or high-risk areas to identify the effects of...

The research perspective of gold is either as a commodity or as a financial asset in most previous research. This paper initially examines the double nature of the price of gold both as a commodity and money from 1969 to 2014 by a statistics model, namely the Ensemble Empirical Mode...

This paper initially analyzes the constitution of gold price by Ensemble Empirical Mode Decomposition (EEMD) with a data span of 1969-2014. We decompose and categorize the change of the gold price by time frequency into three aspects: high frequency portion, low frequency portion and trend...

From 2000 to 2010, more than 20 states passed laws that make it easier to use lethal force in self-defense. Elements of these laws include removing the duty to retreat in places outside of one's home, adding a presumption of reasonable belief of imminent harm, and removing civil liability for...

Due to the uncertainty in reality consists of randomness and fuzziness, we employ stochastic analysis and fuzzy set theory to explore the pricing of geometric Asian options. In the fuzzy stochastic world, the price of the underlying asset is assumed to follow a fuzzy stochastic process of which...

How do female executives view corporate social responsibility (CSR) policy? Previous studies have report mixed findings on the relationship between female executives and CSR policy. On the basis of a sample of Chinese listed firms, we use propensity score matching to construct a new sample of...